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Zaman BT, Bozyiğit GD, Şaylan M, Koçoğlu ES, Kartoğlu B, Aydın ES, Girgin A, Borahan T, Oflu S, Kılınç Y, Bakırdere EG, Bakırdere S. Implementation of simple and effective fine droplet formation-based spray-assisted liquid phase microextraction for the simultaneous determination of twenty-nine endocrine disruptor compounds and pesticides in rock, soil, water, moss, and feces samples from antarctica using gas chromatography-mass spectrometry. Environ Sci Pollut Res Int 2024; 31:10920-10933. [PMID: 38216815 PMCID: PMC10850215 DOI: 10.1007/s11356-023-31750-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 12/23/2023] [Indexed: 01/14/2024]
Abstract
This study established the simultaneous determination of the selected endocrine-disrupting compounds (EDCs) and pesticides in rock, soil, water, moss, and feces samples collected from the Antarctic region. The spray-assisted droplet formation-based liquid phase microextraction (SADF-LPME) coupled to GC-MS system was developed and validated for the screening and monitoring of 29 selected EDCs and pesticides. Binary solvent system, 1:1 (v/v) dichlormethane: 1,2-dichloroethane mixture was employed as an extraction solvent and sprayed onto sample or standard solutions using a straightforward and practical spray apparatus. The factors affecting the extraction process such as extraction solvent type and ratio, extraction solvent volume (spray repetition), vortexing period, and sample pH were properly optimized. Analytical figures of the merit of the method were recorded under the optimal extraction/chromatographic conditions. The LOD, LOQ, and enhancement factor were in the range of 1.0 to 6.6 ng/g, 3.2 to 22.1 ng/g, and 3.7 to 158.9, respectively. The method demonstrated a good linear working range for all the selected analytes with proper coefficients of determination. The usability and reliability of the microextraction strategy was confirmed using seawater, moss, and soil samples, and the %recoveries were within an acceptable range (> 70%) for all examined samples. The environmental samples collected from the Horseshoe and Faure Islands of the Antarctica region were analyzed to assess the potential pollution of EDCs and pesticides. This method has the potential to be employed for the analysis of EDCs in routine analytical laboratories and for controlling and screening the organic pollutant content of different environmental samples.
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Affiliation(s)
- Buse Tuğba Zaman
- Department of Chemistry, Faculty of Art and Science, Yildiz Technical University, 34220, İstanbul, Türkiye
| | - Gamze Dalgıç Bozyiğit
- Department of Environmental Engineering, Faculty of Civil Engineering, Yildiz Technical University, 34220, İstanbul, Türkiye
| | - Meltem Şaylan
- Department of Chemistry, Faculty of Art and Science, Yildiz Technical University, 34220, İstanbul, Türkiye
- Department of Pharmacy, İstanbul Health and Technology University, Seyitnizam Street, No.: 85, İstanbul, Türkiye
| | - Elif Seda Koçoğlu
- Yildiz Technical University Central Research Laboratory, 34220, İstanbul, Türkiye
| | - Bedrihan Kartoğlu
- Department of Chemistry, Faculty of Art and Science, Yildiz Technical University, 34220, İstanbul, Türkiye
| | - Efe Sinan Aydın
- Department of Chemical Engineering, Faculty of Chemistry and Metallurgy, Yildiz Technical University, 34220, İstanbul, Türkiye
| | - Ayça Girgin
- Department of Chemistry, Faculty of Art and Science, Yildiz Technical University, 34220, İstanbul, Türkiye
- Neutec Pharmaceuticals, Yildiz Technical University Technopark, 34220, Istanbul, Türkiye
| | - Tülay Borahan
- Department of Chemistry, Faculty of Art and Science, Yildiz Technical University, 34220, İstanbul, Türkiye
- Neutec Pharmaceuticals, Yildiz Technical University Technopark, 34220, Istanbul, Türkiye
| | - Sude Oflu
- Department of Chemistry, Faculty of Art and Science, Yildiz Technical University, 34220, İstanbul, Türkiye
- Neutec Pharmaceuticals, Yildiz Technical University Technopark, 34220, Istanbul, Türkiye
| | - Yağmur Kılınç
- Neutec Pharmaceuticals, Yildiz Technical University Technopark, 34220, Istanbul, Türkiye
- Department of Environmental Engineering, Institute of Science, Zonguldak Bülent Ecevit University, 67100, Zonguldak, Türkiye
| | - Emine Gülhan Bakırdere
- Department of Science Education, Faculty of Education, Yildiz Technical University, 34220, İstanbul, Türkiye
| | - Sezgin Bakırdere
- Department of Chemistry, Faculty of Art and Science, Yildiz Technical University, 34220, İstanbul, Türkiye.
- Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No. 112, Çankaya, 06670, Ankara, Türkiye.
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Oflu S, Erarpat S, Zaman BT, Eroğlu K, Günkara ÖT, Bakırdere S, Turak F. Quantification of trace fenuron in waste water samples by matrix matching calibration strategy and gas chromatography-mass spectrometry after simultaneous derivatization and preconcentration. Environ Monit Assess 2023; 195:1063. [PMID: 37594584 DOI: 10.1007/s10661-023-11575-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 06/30/2023] [Indexed: 08/19/2023]
Abstract
This study presents a highly sensitive and accurate analytical strategy for the determination of fenuron in wastewater samples using gas chromatography-mass spectrometry (GC-MS). Simultaneous derivatization and spray-based fine droplet formation-liquid phase microextraction (SFDF-LPME) method was developed and performed to achieve low detection limits. The parameters of the derivatization and SFDF-LPME method were optimized by univariate approach to improve sensitivity and selectivity. Under the optimum SFDF-LPME-GC-MS conditions, the limit of detection (LOD) and limit of quantitation (LOQ) were found to be 0.15 and 0.49 mg/kg, respectively. In addition, the linear range was calculated as 0.51-24.50 mg/kg. Recovery studies were carried out on wastewater samples to determine the accuracy of the developed method and its applicability to real sample matrix. Matrix matching calibration strategy was applied to eliminate/reduce any possible interference effects caused by the complexity of the wastewater matrix and to increase the accuracy of the analytical results. Percent recovery results varied between 85.9 and 120.9% with small percent relative standard deviation values. These results were satisfactory in terms of the accuracy and applicability of the proposed method for wastewater samples.
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Affiliation(s)
- Sude Oflu
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34210, Davutpasa, Esenler, Istanbul, Turkey
| | - Sezin Erarpat
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34210, Davutpasa, Esenler, Istanbul, Turkey
| | - Buse Tuğba Zaman
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34210, Davutpasa, Esenler, Istanbul, Turkey
| | - Kumsal Eroğlu
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34210, Davutpasa, Esenler, Istanbul, Turkey
| | - Ömer Tahir Günkara
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34210, Davutpasa, Esenler, Istanbul, Turkey
| | - Sezgin Bakırdere
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34210, Davutpasa, Esenler, Istanbul, Turkey.
- Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, 06670, Çankaya, 06690, Ankara, Turkey.
| | - Fatma Turak
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34210, Davutpasa, Esenler, Istanbul, Turkey.
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Kublay İZ, Koçoğlu ES, Oflu S, Arvas B, Yolaçan Ç, Bakırdere S. Trace nickel determination in seawater matrix using combination of dispersive liquid-liquid microextraction and triethylamine-assisted Mg(OH) 2 method. Environ Monit Assess 2023; 195:861. [PMID: 37335378 DOI: 10.1007/s10661-023-11435-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 05/29/2023] [Indexed: 06/21/2023]
Abstract
In order to eliminate the effects of seawater matrix on the precise/accurate determination of elements, new and efficient analytical procedure requires. In this study, co-precipitation method based on the triethylamine (TEA)-assisted Mg(OH)2 was performed to eliminate side-effects of seawater medium on the determination with flame atomic absorption spectrometry (FAAS) prior to the preconcentration of nickel by an optimized dispersive liquid-liquid microextraction (DLLME) method. Under the optimum conditions of the presented method, the limit of detection and quantification (LOD, LOQ) values obtained for nickel were found as 16.1 and 53.8 μg kg-1, respectively. Seawater samples collected from West Antarctic region were used for real sample applications to check the accuracy and applicability of developed method, and satisfying recovery results (86-97%) were obtained. In addition to this, the digital image-based colorimetric detection system and the UV-Vis system were applied to confirm the applicability of the developed DLLME-FAAS method in other analytical systems.
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Affiliation(s)
- İrem Zehra Kublay
- Chemistry Department, Faculty of Art and Science, Yıldız Technical University, 34220, Istanbul, Türkiye
| | - Elif Seda Koçoğlu
- Central Research Laboratory, Yıldız Technical University, 34220, Istanbul, Türkiye
| | - Sude Oflu
- Chemistry Department, Faculty of Art and Science, Yıldız Technical University, 34220, Istanbul, Türkiye
| | - Büşra Arvas
- Chemistry Department, Faculty of Art and Science, Yıldız Technical University, 34220, Istanbul, Türkiye
| | - Çiğdem Yolaçan
- Chemistry Department, Faculty of Art and Science, Yıldız Technical University, 34220, Istanbul, Türkiye
| | - Sezgin Bakırdere
- Chemistry Department, Faculty of Art and Science, Yıldız Technical University, 34220, Istanbul, Türkiye.
- Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, Çankaya, 06670, Ankara, Türkiye.
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Oflu S, Erarpat S, Zaman BT, Günkara ÖT, Bakırdere S, Turak F. Combination of quadrupole isotope dilution mass spectrometry with simultaneous derivatization and spray assisted droplet formation-liquid phase microextraction for the determination of methamphetamine in human urine and serum samples by gas chromatography mass spectrometry. J Pharmacol Toxicol Methods 2023; 119:107207. [PMID: 35933004 DOI: 10.1016/j.vascn.2022.107207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/28/2022] [Accepted: 08/01/2022] [Indexed: 01/03/2023]
Abstract
In this study, an analytical method with high accuracy and precision was developed for the determination of methamphetamine in human urine and serum samples by gas chromatography-mass spectrometry (GC-MS). A simultaneous derivatization and spray assisted droplet formation-liquid phase microextraction (SADF-LPME) method was proposed to derivatize and preconcentrate target analyte. Quadruple isotope dilution (ID4) was used to provide high accuracy and precision for methamphetamine determination in the samples. After the optimization studies for the derivatization and microextraction parameters, limit of detection (LOD) and limit of quantitation (LOQ) for the developed SADF-LPME method were found to be 48.0 and 159.9 μg/kg, respectively. Recovery studies were implemented to verify the applicability and accuracy of the developed method for human urine and serum samples. The SADF-LPME method gave low percent recovery results (30.5-61.0%) for the spiked urine and serum samples showing that it failed to minimize or eliminate matrix effects for the analyte. Hence, methamphetamine acetamide-d3 was synthesized and purified in our research laboratory to be used as methamphetamine isotopic analogue in the ID4 method. When the SADF-LPME method was combined with ID4, the percent recovery values for urine and serum samples were calculated as 99.7-100.0% and 99.4-100.2%, respectively. These results demonstrated the applicability and accuracy of the proposed method for urine and serum samples.
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Affiliation(s)
- Sude Oflu
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34,210, Davutpasa, Esenler, İstanbul, Türkiye
| | - Sezin Erarpat
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34,210, Davutpasa, Esenler, İstanbul, Türkiye
| | - Buse Tuğba Zaman
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34,210, Davutpasa, Esenler, İstanbul, Türkiye
| | - Ömer Tahir Günkara
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34,210, Davutpasa, Esenler, İstanbul, Türkiye
| | - Sezgin Bakırdere
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34,210, Davutpasa, Esenler, İstanbul, Türkiye; Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, 06670, Çankaya, 06690, Ankara, Türkiye.
| | - Fatma Turak
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34,210, Davutpasa, Esenler, İstanbul, Türkiye.
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Gösterişli TU, Oflu S, Keyf S, Bakırdere S. Development of a double monitoring system for the determination of Cr(VI) in different water matrices by HPLC-UV and digital image-based colorimetric detection method with the help of a metal sieve-linked double syringe system in complexation. Environ Monit Assess 2022; 194:691. [PMID: 35984528 DOI: 10.1007/s10661-022-10392-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
This study reports a cheap, efficient, sensitive, and simple double monitoring analytical method for trace determination of Cr(VI), which is toxic and harmful even at very low concentrations. A metal sieve-linked double syringe (MSLDS) system was used to help the formation of chromium complex (Cr-diphenyl carbazide, DPC) subsequently determined by high-performance liquid chromatography-ultraviolet (HPLC-UV) and digital image-based colorimetry (DIC) systems. The metal complex was eluted through a Phenomenex-Aqua C18 with a mobile phase comprising of 50 mM ammonium formate solution (pH 4.0):acetonitrile (78:22, v/v) and detected by the UV detector at the wavelength of 581 nm. Under their optimum conditions, the HPLC-UV and DIC systems exhibited good linearity in ranges of 10-500 µg L-1 and 100-1000 µg L-1, respectively. The percent relative standard deviations (RSD%s) calculated for the lowest concentrations of both systems fell below 10%, and this confirmed good repeatability for replicate measurements. The accuracy of the proposed methods was evaluated by performing spike recovery experiments on wastewater, river water, and tap water samples. The calculated recovery results were in the range of 81.5-105.5% for HPLC-UV system and 93.8-111.1% for the DIC system. These results indicate that the proposed methods are suitable for routine Cr(VI) determination in terms of their rapidness, simplicity, good repeatability, and low cost.
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Affiliation(s)
| | - Sude Oflu
- Department of Chemistry, Yıldız Technical University, 34220, İstanbul, Türkiye
| | - Seyfullah Keyf
- Department of Chemical Engineering, Yıldız Technical University, 34220, İstanbul, Türkiye
| | - Sezgin Bakırdere
- Department of Chemistry, Yıldız Technical University, 34220, İstanbul, Türkiye.
- Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, 06670, Ankara, Türkiye.
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Gösterişli TU, Kublay İZ, Oflu S, Kılınç Y, Koçoğlu ES, Zaman BT, Keyf S, Bakırdere S. Development of a metal sieve-linked double syringe liquid phase microextraction method for the determination of copper in olive leaf extract samples by flame atomic absorption spectrometry. Food Chem 2022; 377:132057. [PMID: 35030340 DOI: 10.1016/j.foodchem.2022.132057] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 12/07/2021] [Accepted: 01/02/2022] [Indexed: 11/26/2022]
Abstract
This work reports the development of a simple, sensitive and low-cost analytical method for the trace determination of copper. A metal sieve-linked double syringe liquid phase microextraction method was used to preconcentrate copper into measurable quantities for FAAS system. The pressurized mixing offered by the automated syringe system and the sieve connector enhanced surface area for analyte and extraction solvent interaction, this significantly increased the extraction efficiency for copper. There was therefore no need for auxiliary organic solvents as disperser solvents for the extractant dichloromethane. The limits of detection and quantification, linear dynamic range and percent relative standard deviation values calculated for copper under optimum conditions of the method were 1.5 and 5.1 µg L-1, 5.0-500 µg L-1 and 8.4%, respectively. The developed method was successfully employed to determine copper (0.75-8.06 mg kg-1) in unspiked olive leaf samples.
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Affiliation(s)
| | - İrem Zehra Kublay
- Yıldız Technical University, Department of Chemistry, 34349 İstanbul, Turkey
| | - Sude Oflu
- Yıldız Technical University, Department of Chemistry, 34349 İstanbul, Turkey
| | - Yağmur Kılınç
- Zonguldak Bulent Ecevit University, Department of Environmental Engineering, 67100 Zonguldak, Turkey
| | - Elif Seda Koçoğlu
- Yıldız Technical University, Department of Chemistry, 34349 İstanbul, Turkey
| | - Buse Tuğba Zaman
- Yıldız Technical University, Department of Chemistry, 34349 İstanbul, Turkey
| | - Seyfullah Keyf
- Yıldız Technical University, Department of Chemical Engineering, 34349 İstanbul, Turkey
| | - Sezgin Bakırdere
- Yıldız Technical University, Department of Chemistry, 34349 İstanbul, Turkey; Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, Çankaya, 06670 Ankara, Turkey.
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Abstract
This study assessed the effect of obsessive compulsive disorder (OCD) on sexual function. Twenty-three outpatients who met Diagnostic and Statistical Manual of Mental Disorders (DSM-IV; American Psychiatric Association, 1994) diagnostic criteria for OCD were obtained from consecutive cases recruited to Osmangazi University Department of Psychiatry and were compared to a group of 26 generalized anxiety disorder (GAD) female outpatients. Psychiatric, psychological, and sexual information was obtained with the Maudlsey Obsessional-Compulsive Inventory (Hodgson & Rachman, 1977), the State-Trait Anxiety Inventory (Spielberger, Gorsuch, & Lushere, 1970), and the Golombok Rust Inventory of Sexual Satisfaction (Rust & Golombok, 1986). We found that the women with OCD were more sexually nonsensual, avoidant, and anorgasmic than the women with GAD. These data suggest that OCD may be a risk factor for sexual problems in women.
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Affiliation(s)
- G Aksaray
- Department of Psychiatry, Osmangazi University School of Medicine, Eskişehir, Turkey.
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